import click


@click.group()
def cli():
    """
    help information:
    """

@cli.command()
def init():
    click.echo("Initializing ...")

@cli.command()
@click.argument("filename")
def read(filename):
    click.echo(f"Reading {filename}...")


@cli.command()
@click.argument("filename")
def write(filename):
    click.echo(f"Write f{filename} ...")


if __name__ == "__main__":
    cli()
